CATALOG DB2 DVW authid.sqlname fails with
1-IDADERRP99E - INTERR: INTERNAL SYSTEM ERROR
LOGMSG: FAILED IN LOAD FOR DSNHDECP, RC=008
z/OS
IDEAL/DB2 15.1
The Db2 load library, where module DSNHDECP is stored, is missing in the CICS DFHRPL.
Add the Db2 load library that contains module DSNHDECP to the DFHRPL concatenation.
See Ideal for Datacom Option for Db2 Users Only
Note that this error can also occur after a DB2 upgrade.